@inproceedings{vincent1997asymptotics,
title={Asymptotics of the scattering phase for the Dirac operator: High energy, semi-classical and non-relativistic limits},
author={Vincent Bruneau, and Didier Robert},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203554553893713},
booktitle={Arkiv for Matematik},
volume={37},
number={1},
pages={1-32},
year={1997},
}
Vincent Bruneau, and Didier Robert. Asymptotics of the scattering phase for the Dirac operator: High energy, semi-classical and non-relativistic limits. 1997. Vol. 37. In Arkiv for Matematik. pp.1-32. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203554553893713.